diff --git a/scripts/_get-test-directories.sh b/scripts/_get-test-directories.sh
index 38c509d597..3af84d1594 100755
--- a/scripts/_get-test-directories.sh
+++ b/scripts/_get-test-directories.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 TEST_DIRS=""
diff --git a/scripts/grant-npm-owner.sh b/scripts/grant-npm-owner.sh
index 48812837e6..a12d4dd63c 100755
--- a/scripts/grant-npm-owner.sh
+++ b/scripts/grant-npm-owner.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 read -p "Username: " username
diff --git a/scripts/test-cov.sh b/scripts/test-cov.sh
index 1870071ccc..50f9f4f022 100755
--- a/scripts/test-cov.sh
+++ b/scripts/test-cov.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 testDirs=`TEST_TYPE=cov scripts/_get-test-directories.sh`
diff --git a/scripts/test.sh b/scripts/test.sh
index e9893371da..017e24c572 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 if [ -z "$TEST_GREP" ]; then